%0 Journal Article %A Magnus Steinby %T On definite automata and related systems %J Annales Fennici Mathematici %D 1969 %V 421-450 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1969.444/ %R 10.5186/aasfm.1969.444 %G en %F AFM_1969_421-450_a6